August weather forecast
Sioux, WI

Share

Weather in August

The last month of the summer, August, is also an agreeable month in Sioux, Wisconsin, with an average temperature varying between 57.9°F (14.4°C) and 72.5°F (22.5°C).

Temperature

The warmest period is August, when temperatures fluctuate between an average high of 72.5°F (22.5°C) and a low of 57.9°F (14.4°C).

Humidity

In August, the average relative humidity is 77%.

Rainfall

In Sioux, during August, the rain falls for 13.5 days and regularly aggregates up to 1.93" (49mm) of precipitation. Throughout the year, there are 127.9 rainfall days, and 22.56" (573mm) of precipitation is accumulated.

Snowfall

In Sioux, Wisconsin, snow does not fall in June through September.

Daylight

The average length of the day in August is 14h and 8min.
On the first day of the month, sunrise is at 5:44 am and sunset at 8:34 pm. On the last day of August, sunrise is at 6:23 am and sunset at 7:44 pm CDT.

Sunshine

In August, the average sunshine in Sioux is 10.3h.

UV index

In Sioux, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In August, the maximum UV index of 5 translates into these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Enhance your sun protection with tightly woven, yet airy clothing.
[Resources]

Frequently asked questions

What is the warmest month in Sioux?

Sioux, Wisconsin, records the warmest temperatures in August, averaging a high of 72.5°F (22.5°C) and a low of 57.9°F (14.4°C).

What is the temperature in August in Sioux?

The average high-temperature, in August, in Sioux, is 72.5°F (22.5°C), while the average low-temperature is 57.9°F (14.4°C).

What is the average humidity in August in Sioux?

In August, the average relative humidity in Sioux, Wisconsin, is 77%.

How much does it rain in Sioux in August?

In Sioux, Wisconsin, in August, it is raining for 13.5 days, with typically 1.93" (49mm) of accumulated precipitation.

When it does not snow in Sioux?

In Sioux, snow does not fall in June through September.

What is the average length of the day in August in Sioux?

In Sioux, Wisconsin, the average day length in August is 14h and 8min.

When are sunrise and sunset in August in Sioux?

On the first day of August in Sioux, sunrise is at 5:44 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 7:44 pm CDT.

How long on average sun shines in August in Sioux?

In Sioux, the average sunshine duration in August is 10.3h.

What is the UV index reading in August in Sioux?

The average daily maximum UV index in August in Sioux is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Sioux, WI

Average temperature in August - Sioux, WI
  • Average high temperature in August: 72.5°F

The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (20.3°F).

  • Average low temperature in August: 57.9°F

The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

[Resources]

Average pressure in August
Sioux, WI

Average pressure in August - Sioux, WI
  • Average pressure in August: 29.93"Hg

The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

[Resources]

Average wind speed in August
Sioux, WI

Average wind speed in August - Sioux, WI
  • Average wind speed in August: 7.3mph

The windiest months (with the highest average wind speed) are January and December (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

[Resources]

Average humidity in August
Sioux, WI

Average humidity in August - Sioux, WI
  • Average humidity in August: 77%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is May (75%).

[Resources]

Average rainfall in August
Sioux, WI

Average rainfall in August - Sioux, WI
  • Average rainfall in August: 1.93"

The wettest months (with the highest rainfall) are May and July (2.56").
The driest months (with the least rainfall) are January and February (1.06").

[Resources]

Average rainfall days in August
Sioux, WI

Average rainfall days in August - Sioux, WI
  • Average rainfall days in August: 13.5 days

The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (3.6 days).

[Resources]

Average snowfall in August
Sioux, WI

Average snowfall in August - Sioux, WI
  • Average snowfall in August: 0"

The month with the highest snowfall is January (6.85").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in August
Sioux, WI

Average snowfall days in August - Sioux, WI
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in August /
Average sunshine in August
Sioux, WI

Average daylight in August / Average sunshine in August - Sioux, WI
  • Average daylight in August: 14h and 1min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).

[Resources]

Average sunshine days in August
Sioux, WI

Average sunshine days in August - Sioux, WI
  • Average sunshine days in August: 14.9 days

The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (8.7 days).

[Resources]

Average UV index in August
Sioux, WI

Average UV index in August - Sioux, WI
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

[Resources]

Average cloud cover in August
Sioux, WI

Average cloud cover in August - Sioux, WI
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 29).

[Resources]

Average visibility in August
Sioux, WI

Average visibility in August - Sioux, WI
  • Average visibility in August: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

[Resources]

Sioux, Wisconsin, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location